Home / 28,727.52-39,647.16-16,152

Finding the Fourth Proportional to 28,727.52, 39,647.16 and 16,152

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Solution

The fourth proportional to 28,727.52, 39,647.16 and 16,152 is: 22,291.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,727.52 : 39,647.16 = 16,152 : x
  2. Step 2: Convert to fraction form
    28,727.52/39,647.16 = 16,152/x
  3. Step 3: Cross multiply
    28,727.52x = 39,647.16 × 16,152
  4. Step 4: Simplify right side
    28,727.52x = 640,380,928.32
  5. Step 5: Solve for x
    x = 640,380,928.32/28,727.52
  6. Step 6: Final answer
    x = 22,291.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.